Meshfree modelling of magnetotelluric and radiomagnetotelluric data: a new method

大地电磁和无线电大地电磁数据的无网格建模：一种新方法

• 批准号: 239739933
• 负责人: Professor Dr. Bülent Tezkan
• 金额: --
• 依托单位: Institut für Numerische und Angewandte Mathematik (NAM)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2016-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/239739933?language=en
• 关键词: Meshfree; modelling; magnetotelluric; radiomagnetotelluric; data

In this project, a new interpretation software for the multidimensional modeling (2D inversion, 3D forward modeling) of magnetotelluric and radiomagnetotelluric data will be developed in contrast to the traditional numerical methods like the finite elements or finite differences. The method for solving the partial differential equation is based on a meshfree technique which avoids a discretization grid. The main goal of this project is to optimize a two-dimensional, meshfree magnetotelluric forward algorithm which was developed in the frame of a master thesis at the University of Cologne. This software will be extended to a 3D forward magnetotelluric modeling algorithm. In addition, the meshfree method will be implemented in a 2D inversion algotihm which will benefit from this new method. The new software will be tested on synthetic and real data sets and will be run-time optimized. In this way, an effective and accurate reconstruction of multidimensional earth resistivity structures will be possible.

在这个项目中，与传统的数值方法（如有限元或有限的差异）相比，将开发用于磁铁和放射性磁性数据的多维建模（2D反转，3D向前建模）的新解释软件。求解部分微分方程的方法基于一种避免离散网格的网格技术。该项目的主要目的是优化在科隆大学的一份硕士论文框架中开发的二维，无网络电磁远程算法。该软件将扩展到3D正向磁铁建模算法。此外，MeshFree方法将在2D反转Algotihm中实现，该方法将从这种新方法中受益。新软件将在合成和真实数据集上进行测试，并将经过运行时进行优化。这样，将有效，准确地重建多维地球电阻率结构。

项目成果

Meshfree magnetotelluric modelling

• DOI: 10.1093/gji/ggu207
• 发表时间: 2014-08
• 期刊: Geophysical Journal International
• 影响因子: 2.8
• 作者: J. Wittke;B. Tezkan